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VIII. STEP 8 — ADJUST FACTORY-INSTALLED OPTIONS
A. Manual Outdoor-Air Damper
The outdoor-air hood and screen are attached to the basepan
at the bottom of the unit for shipping.
Assembly:
1. Determine quantity of ventilation required for build-
ing. Record amount for use in Step 8.
2. Remove and save outdoor air opening panel and
screws. See Fig. 12.
3. Separate hood and screen from basepan by removing
the 4 screws securing them. Save all screws.
4. Replace evaporator coil access panel.
5. Place hood on front of outdoor air opening panel. See
Fig. 13 for hood details. Secure top of hood with the
4 screws removed in Step 3. See Fig. 14.
6. Remove and save 6 screws (3 on each side) from sides
of the manual outdoor-air damper.
7. Align screw holes on hood with screw holes on side of
manual outdoor-air damper. See Fig. 13 and 14. Se-
cure hood with 6 screws from Step 6.
8. Adjust minimum position setting of the damper blade
by adjusting the manual outdoor-air adjustment
screws on the front of the damper blade. See Fig. 12.
Slide blade vertically until it is in the appropriate po-
sition determined by Fig. 15. Tighten screws.
9. Remove and save screws currently on sides of hood.
Insert screen. Secure screen to hood using the screws.
See Fig. 14.
OUTDOOR
AIR OPENING
PANEL
3 SCREWS
(SIDE)
Fig. 12 — Damper Panel with Manual Outdoor-Air
Damper Installed
Fig. 13 — Outdoor-Air Hood Details
Fig. 14 — Outdoor-Air Damper with
Hood Attached
Fig. 15 — Outdoor-Air Damper Position Setting